Bathroom renovations are one of the best ways to add value, comfort, and style to your home — but they’re also one of the easiest projects to get wrong.
At Caroline Springs Splashbacks, we’ve seen firsthand how small planning mistakes can turn a dream bathroom into an expensive headache. The good news? Most issues are completely avoidable with the right approach.
Here are the top 10 bathroom renovation mistakes and how to avoid them.
1. Poor Bathroom Layout Planning
One of the biggest mistakes is focusing on fixtures before planning the layout. A poorly designed layout can make even a large bathroom feel cramped and awkward.
Avoid it by:
- Planning toilet, shower, and vanity placement first
- Allowing clear walking space
- Thinking about door swings and shower access
A good layout always comes before design choices.
2. Choosing Style Over Function
A bathroom can look amazing in photos but fail in daily use if it isn’t practical.
Common issue:
- Beautiful freestanding bath with no storage
- Stylish basin with no bench space
- Shower screen that looks good but leaks
Always balance aesthetics with everyday usability.
3. Ignoring Proper Waterproofing
Waterproofing is one of the most important parts of any bathroom renovation — and one of the most commonly cut corners.
Risks include:
- Water damage
- Mould growth
- Expensive future repairs
Make sure waterproofing is done by a licensed professional and meets Australian standards.
4. Bad Lighting Choices
Bathrooms need layered lighting, not just a single ceiling light.
A good setup includes:
- Task lighting around mirrors
- Ceiling ambient lighting
- Optional feature lighting for design impact
Poor lighting can ruin even the best renovation.
5. Wrong Shower Screen Choice
Choosing the wrong shower screen can affect both style and maintenance.
At Caroline Springs Splashbacks, we often see homeowners regret not considering:
- Frameless vs semi-frameless options
- Water splash control
- Cleaning ease
- Bathroom size suitability
- Wind draft
A well-chosen shower screen makes a huge difference to the final result.
6. Not Enough Storage
A common mistake is underestimating how much storage a bathroom actually needs.
Fix this with:
- Wall-hung vanity with drawers
- Recessed shower niches
- Mirror cabinets
- Built-in shelving
Clutter quickly ruins a clean bathroom design.
7. Poor Ventilation
Without proper ventilation, bathrooms develop mould, condensation, and long-term damage.
Always include:
- A strong exhaust fan
- Window access if possible
- Proper airflow design
This is especially important in Melbourne’s cooler months.
8. Using Cheap Materials in High-Moisture Areas
Not all materials are suitable for bathrooms.
Avoid:
- Low-quality cabinetry
- Untreated timber
- Poor-grade sealants
Investing in moisture-resistant materials saves money long term.
9. Incorrect Tiling Decisions
Tile choice affects both appearance and maintenance.
Mistakes include:
- Overly textured tiles that are hard to clean
- Dark grout that shows stains
- Overcomplicated tile patterns in small spaces
Simple, neutral tiles usually age best and add resale value.
10. DIY When You Should Hire Professionals
Bathroom renovations involve plumbing, waterproofing, glass installation, and electrical work — all requiring licensed trades.
DIY mistakes often lead to:
- Leaks
- Non-compliance issues
- Expensive rebuilds
Professional installation ensures your bathroom meets Australian standards and lasts for years.
Final Thoughts
A successful bathroom renovation is all about planning, balance, and using the right professionals. Avoiding these common mistakes will save you time, money, and stress — and ensure your bathroom looks great and functions perfectly.
At Caroline Springs Splashbacks, we specialise in custom glass solutions including:
- Shower screens
- Bathroom splashbacks
- Custom glass installations
- Mirror Glass
We help homeowners across Melbourne’s west achieve clean, modern, long-lasting bathroom finishes.
Need Help With Your Bathroom Renovation?
If you’re renovating in the West, North or surrounding suburbs, we can help you choose the right shower screen and glass solutions for your space.
Finally, if you need a full bathroom renovation, reach out, we can provide the best builder in the business.



